X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=5551714a366de924978cc72762491d7eedbafdc0;hb=127b55d5a49e8e534e12107fc5d5a684c390d7aa;hp=c824c3934e3dedc2c8cda61581fd0ee9b0ed1f1d;hpb=b4696bce07e0a596accf097b7bff84bf30198f25;p=elogind.git diff --git a/src/shared/util.c b/src/shared/util.c index c824c3934..5551714a3 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -359,8 +359,23 @@ int safe_atod(const char *s, double *ret_d) { return 0; } +static size_t strcspn_escaped(const char *s, const char *reject) { + bool escaped = false; + size_t n; + + for (n=0; s[n]; n++) { + if (escaped) + escaped = false; + else if (s[n] == '\\') + escaped = true; + else if (strchr(reject, s[n])) + return n; + } + return n; +} + /* Split a string into words. */ -char *split(const char *c, size_t *l, const char *separator, char **state) { +char *split(const char *c, size_t *l, const char *separator, bool quoted, char **state) { char *current; current = *state ? *state : (char*) c; @@ -369,70 +384,19 @@ char *split(const char *c, size_t *l, const char *separator, char **state) { return NULL; current += strspn(current, separator); - *l = strcspn(current, separator); - *state = current+*l; - - return (char*) current; -} - -/* Split a string into words, but consider strings enclosed in '' and - * "" as words even if they include spaces. */ -char *split_quoted(const char *c, size_t *l, char **state) { - const char *current, *e; - bool escaped = false; - - assert(c); - assert(l); - assert(state); - - current = *state ? *state : c; - - current += strspn(current, WHITESPACE); - - if (*current == 0) + if (!*current) return NULL; - else if (*current == '\'') { - current ++; - - for (e = current; *e; e++) { - if (escaped) - escaped = false; - else if (*e == '\\') - escaped = true; - else if (*e == '\'') - break; - } - - *l = e-current; - *state = (char*) (*e == 0 ? e : e+1); - - } else if (*current == '\"') { - current ++; - - for (e = current; *e; e++) { - if (escaped) - escaped = false; - else if (*e == '\\') - escaped = true; - else if (*e == '\"') - break; - } - - *l = e-current; - *state = (char*) (*e == 0 ? e : e+1); - + if (quoted && strchr("\'\"", *current)) { + char quotechar = *(current++); + *l = strcspn_escaped(current, (char[]){quotechar, '\0'}); + *state = current+*l+1; + } else if (quoted) { + *l = strcspn_escaped(current, separator); + *state = current+*l; } else { - for (e = current; *e; e++) { - if (escaped) - escaped = false; - else if (*e == '\\') - escaped = true; - else if (strchr(WHITESPACE, *e)) - break; - } - *l = e-current; - *state = (char*) e; + *l = strcspn(current, separator); + *state = current+*l; } return (char*) current;