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| author | Jakub Hrozek <jhrozek@redhat.com> | 2011-05-19 18:04:43 +0200 |
|---|---|---|
| committer | Stephen Gallagher <sgallagh@redhat.com> | 2011-06-15 15:56:12 -0400 |
| commit | 977f74dc1da8325e8622be33fa2b6f105c99011a (patch) | |
| tree | 4f86abe9e66b5e3e911ced843a124c1aea490cb0 /src | |
| parent | 9df7cbe4007edeb71477fd5647e26b839f4f5813 (diff) | |
| download | sssd-977f74dc1da8325e8622be33fa2b6f105c99011a.tar.gz sssd-977f74dc1da8325e8622be33fa2b6f105c99011a.tar.xz sssd-977f74dc1da8325e8622be33fa2b6f105c99011a.zip | |
Make parse_args skip extra spaces
https://fedorahosted.org/sssd/ticket/871
Diffstat (limited to 'src')
| -rw-r--r-- | src/util/util.c | 40 |
1 files changed, 24 insertions, 16 deletions
diff --git a/src/util/util.c b/src/util/util.c index 39275ef8f..6c4a6033d 100644 --- a/src/util/util.c +++ b/src/util/util.c @@ -159,46 +159,54 @@ char **parse_args(const char *str) char **ret, **r; char *tmp; int num; - int i, e; + int i; + bool e, w; tmp = malloc(strlen(str) + 1); if (!tmp) return NULL; ret = NULL; num = 0; - e = 0; i = 0; + e = false; + w = false; p = str; while (*p) { - switch (*p) { - case '\\': + if (*p == '\\') { + w = false; if (e) { + /* if we were already escaping, add a '\' literal */ tmp[i] = '\\'; i++; - e = 0; + e = false; } else { - e = 1; + /* otherwise just start escaping */ + e = true; } - break; - case ' ': + } else if (isspace(*p)) { if (e) { - tmp[i] = ' '; + /* Add escaped whitespace literally */ + tmp[i] = *p; i++; - e = 0; - } else { + e = false; + } else if (w == false) { + /* If previous character was non-whitespace, arg break */ tmp[i] = '\0'; i++; + w = true; } - break; - default: + /* previous char was whitespace as well, skip it */ + } else { + w = false; if (e) { + /* Prepend escaped chars with a literal \ */ tmp[i] = '\\'; i++; - e = 0; + e = false; } + /* Copy character from the source string */ tmp[i] = *p; i++; - break; } p++; @@ -208,7 +216,7 @@ char **parse_args(const char *str) if (e) { tmp[i] = '\\'; i++; - e = 0; + e = false; } tmp[i] = '\0'; i++; |