Mercurial > dovecot > core-2.2

comparison src/lib/strnum.c @ 22647:641236fac254

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
lib: str_parse/to_*int*() - minor optimization
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Sun, 05 Nov 2017 21:36:55 +0200
parents 2e2563132d5f
children cb108f786fb4
comparison
equal deleted inserted replaced
22646:340fd327a965 22647:641236fac254
85 uintmax_t n = 0; 85 uintmax_t n = 0;
86 86
87 if (*str < '0' || *str > '9') 87 if (*str < '0' || *str > '9')
88 return -1; 88 return -1;
89 89
90 for (; *str >= '0' && *str <= '9'; str++) { 90 do {
91 if (n >= ((uintmax_t)-1 / 10)) { 91 if (n >= ((uintmax_t)-1 / 10)) {
92 if (n > (uintmax_t)-1 / 10) 92 if (n > (uintmax_t)-1 / 10)
93 return -1; 93 return -1;
94 if ((uintmax_t)(*str - '0') > ((uintmax_t)-1 % 10)) 94 if ((uintmax_t)(*str - '0') > ((uintmax_t)-1 % 10))
95 return -1; 95 return -1;
96 } 96 }
97 n = n * 10 + (*str - '0'); 97 n = n * 10 + (*str - '0');
98 } 98 str++;
99 } while (*str >= '0' && *str <= '9');
100
99 if (endp_r != NULL) 101 if (endp_r != NULL)
100 *endp_r = str; 102 *endp_r = str;
101 *num_r = n; 103 *num_r = n;
102 return 0; 104 return 0;
103 } 105 }