diff options
Diffstat (limited to 'sfeed.c')
| -rw-r--r-- | sfeed.c | 50 |
1 files changed, 25 insertions, 25 deletions
@@ -4,6 +4,8 @@ #include <strings.h> #include <time.h> #include <ctype.h> +#include <stdint.h> +#include <errno.h> #include "util.h" #include "xml.h" @@ -127,7 +129,7 @@ gettag(int feedtype, const char *name, size_t namelen) { } static size_t -codepointtoutf8(unsigned long cp, unsigned long *utf) { +codepointtoutf8(uint32_t cp, uint32_t *utf) { if(cp >= 0x10000) { /* 4 bytes */ *utf = 0xf0808080 | ((cp & 0xfc0000) << 6) | ((cp & 0x3f000) << 4) | ((cp & 0xfc0) << 2) | (cp & 0x3f); @@ -173,18 +175,21 @@ namedentitytostr(const char *e, char *buffer, size_t bufsiz) { * returns byte-length of string. */ static size_t entitytostr(const char *e, char *buffer, size_t bufsiz) { - unsigned long l = 0, cp = 0, b; - size_t len; + uint32_t l = 0, cp = 0; + size_t len = 0, b; + int c; if(*e != '&' || bufsiz < 5) /* doesn't start with & */ return 0; if(e[1] == '#') { e += 2; /* skip &# */ - if(*e == 'x') { - e++; - l = strtol(e, NULL, 16); /* hex */ - } else - l = strtol(e, NULL, 10); /* decimal */ + errno = 0; + if(*e == 'x') + l = strtoul(e + 1, NULL, 16); /* hex */ + else + l = strtoul(e, NULL, 10); /* decimal */ + if(errno != 0 || !l) + return 0; /* invalid value */ if(!(len = codepointtoutf8(l, &cp))) return 0; /* make string */ @@ -193,27 +198,22 @@ entitytostr(const char *e, char *buffer, size_t bufsiz) { buffer[len] = '\0'; /* escape whitespace */ if(ISWSNOSPACE(buffer[0])) { /* isspace(c) && c != ' ' */ - if(buffer[0] == '\n') { /* escape newline */ - buffer[0] = '\\'; - buffer[1] = 'n'; - buffer[2] = '\0'; - return 2; /* len */ - } else if(buffer[0] == '\\') { /* escape \ */ - buffer[0] = '\\'; - buffer[1] = '\\'; - buffer[2] = '\0'; - return 2; /* len */ - } else if(buffer[0] == '\t') { /* escape tab */ + switch(buffer[0]) { + case '\n': c = 'n'; break; + case '\\': c = '\\'; break; + case '\t': c = 't'; break; + default: c = '\0'; break; + } + if(c != '\0') { buffer[0] = '\\'; - buffer[1] = 't'; + buffer[1] = c; buffer[2] = '\0'; - return 2; /* len */ + len = 2; } } - return len; } else /* named entity */ - return namedentitytostr(e, buffer, bufsiz); - return 0; + len = namedentitytostr(e, buffer, bufsiz); + return len; } /* clear string only; don't free, prevents unnecessary reallocation */ @@ -502,7 +502,7 @@ xml_handler_start_element(XMLParser *p, const char *name, size_t namelen) { /* starts with div, handle as XML, don't convert entities */ /* TODO: test properly */ if(ctx.item.feedtype == FeedTypeAtom && - !strncmp(name, "div", strlen("div"))) + !strncmp(name, "div", strlen("div"))) /* TODO: strncmp -> strcmp? */ p->xmldataentity = NULL; } if(ctx.iscontent) { |