Mercurial > hg > nginx-quic
annotate src/core/ngx_string.c @ 100:7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 03 Jun 2003 15:42:58 +0000 |
parents | fab4cb00fe5b |
children | ea464a6c0581 |
rev | line source |
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 |
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5 |
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6 char *ngx_cpystrn(char *dst, char *src, size_t n) |
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7 { |
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8 if (n == 0) { |
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9 return dst; |
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10 } |
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11 |
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12 for (/* void */; --n; dst++, src++) { |
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13 *dst = *src; |
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14 |
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15 if (*dst == '\0') { |
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16 return dst; |
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17 } |
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18 } |
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19 |
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20 *dst = '\0'; |
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21 |
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22 return dst; |
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23 } |
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24 |
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26 int ngx_rstrncmp(char *s1, char *s2, size_t n) |
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27 { |
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28 if (n == 0) { |
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29 return 0; |
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30 } |
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31 |
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32 n--; |
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33 |
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34 for ( ;; ) { |
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35 if (s1[n] != s2[n]) { |
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36 return (u_char) s1[n] - (u_char) s2[n]; |
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37 } |
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38 |
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39 if (n == 0) { |
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40 return 0; |
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41 } |
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42 |
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43 n--; |
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44 } |
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45 } |
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46 |
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47 |
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48 int ngx_atoi(char *line, size_t n) |
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49 { |
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50 int value; |
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51 |
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52 if (n == 0) { |
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53 return NGX_ERROR; |
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54 } |
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55 |
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56 for (value = 0; n--; line++) { |
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57 if (*line < '0' || *line > '9') { |
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58 return NGX_ERROR; |
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59 } |
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60 |
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61 value = value * 10 + (*line - '0'); |
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62 } |
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63 |
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64 if (value < 0) { |
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65 return NGX_ERROR; |
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66 } else { |
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67 return value; |
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68 } |
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69 } |
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70 |
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71 |
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72 #if 0 |
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73 char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...) |
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74 { |
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75 va_list args; |
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76 |
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77 va_start(args, fmt); |
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78 |
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79 while (*fmt) { |
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80 switch(*fmt++) { |
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81 case '%': |
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82 switch(*fmt++) { |
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83 case 's': |
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84 s = va_arg(args, char *); |
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85 n += ngx_strlen(s); |
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86 break; |
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87 |
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88 default: |
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89 n++; |
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90 } |
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91 default: |
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92 n++; |
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93 } |
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94 } |
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95 |
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96 str = ngx_palloc(p, n); |
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97 |
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98 va_start(args, fmt); |
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99 |
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100 for (i = 0; i < n; i++) { |
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101 switch(*fmt++) { |
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102 case '%': |
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103 switch(*fmt++) { |
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104 case 's': |
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105 s = va_arg(args, char *); |
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106 while (str[i++] = s); |
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107 break; |
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108 |
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109 default: |
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110 n++; |
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111 } |
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112 default: |
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113 str[i] = *fmt; |
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114 } |
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115 } |
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116 |
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117 len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args); |
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118 |
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119 va_end(args); |
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120 |
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121 } |
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122 #endif |