diff options
Diffstat (limited to 'src/libstddjb/env_merge.c')
| -rw-r--r-- | src/libstddjb/env_merge.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/libstddjb/env_merge.c b/src/libstddjb/env_merge.c index 2a0e5bd..f7ba335 100644 --- a/src/libstddjb/env_merge.c +++ b/src/libstddjb/env_merge.c @@ -1,22 +1,23 @@ /* ISC license. */ +#include <string.h> #include <errno.h> #include <skalibs/bytestr.h> #include <skalibs/env.h> -unsigned int env_merge (char const **v, unsigned int vmax, char const *const *envp, unsigned int envlen, char const *modifs, unsigned int modiflen) +size_t env_merge (char const **v, size_t vmax, char const *const *envp, size_t envlen, char const *modifs, size_t modiflen) { - unsigned int n = byte_count(modifs, modiflen, '\0') ; - unsigned int vlen = envlen ; - register unsigned int i = 0 ; + size_t n = byte_count(modifs, modiflen, '\0') ; + size_t vlen = envlen ; + size_t i = 0 ; if (envlen + n + 1 > vmax) return (errno = ENAMETOOLONG, 0) ; for (; i < envlen ; i++) v[i] = envp[i] ; - for (i = 0 ; i < modiflen ; i += str_len(modifs + i) + 1) + for (i = 0 ; i < modiflen ; i += strlen(modifs + i) + 1) { - unsigned int split = str_chr(modifs + i, '=') ; - register unsigned int j = 0 ; + size_t split = str_chr(modifs + i, '=') ; + size_t j = 0 ; for (; j < vlen ; j++) - if (!byte_diff(modifs + i, split, v[j]) && (v[j][split] == '=')) break ; + if (!memcmp(modifs + i, v[j], split) && (v[j][split] == '=')) break ; if (j < vlen) v[j] = v[--vlen] ; if (modifs[i + split]) v[vlen++] = modifs + i ; } |