diff options
Diffstat (limited to 'intl/hyphenation/glue/hnjstdio.cpp')
| -rw-r--r-- | intl/hyphenation/glue/hnjstdio.cpp | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/intl/hyphenation/glue/hnjstdio.cpp b/intl/hyphenation/glue/hnjstdio.cpp index 660ebaf13..5be8b7c1d 100644 --- a/intl/hyphenation/glue/hnjstdio.cpp +++ b/intl/hyphenation/glue/hnjstdio.cpp @@ -22,6 +22,7 @@ struct hnjFile_ { char mBuffer[BUFSIZE]; uint32_t mCurPos; uint32_t mLimit; + bool mEOF; }; // replacement for fopen() @@ -58,6 +59,7 @@ hnjFopen(const char* aURISpec, const char* aMode) f->mStream = instream; f->mCurPos = 0; f->mLimit = 0; + f->mEOF = false; return f; } @@ -79,6 +81,27 @@ hnjFclose(hnjFile* f) return result; } +// replacement for fgetc() +int +hnjFgetc(hnjFile* f) +{ + if (f->mCurPos >= f->mLimit) { + f->mCurPos = 0; + + nsresult rv = f->mStream->Read(f->mBuffer, BUFSIZE, &f->mLimit); + if (NS_FAILED(rv)) { + f->mLimit = 0; + } + + if (f->mLimit == 0) { + f->mEOF = true; + return EOF; + } + } + + return f->mBuffer[f->mCurPos++]; +} + // replacement for fgets() // (not a full reimplementation, but sufficient for libhyphen's needs) char* @@ -88,24 +111,15 @@ hnjFgets(char* s, int n, hnjFile* f) int i = 0; while (i < n - 1) { - if (f->mCurPos < f->mLimit) { - char c = f->mBuffer[f->mCurPos++]; - s[i++] = c; - if (c == '\n' || c == '\r') { - break; - } - continue; - } - - f->mCurPos = 0; + int c = hnjFgetc(f); - nsresult rv = f->mStream->Read(f->mBuffer, BUFSIZE, &f->mLimit); - if (NS_FAILED(rv)) { - f->mLimit = 0; - return nullptr; + if (c == EOF) { + break; } - if (f->mLimit == 0) { + s[i++] = c; + + if (c == '\n' || c == '\r') { break; } } @@ -117,3 +131,10 @@ hnjFgets(char* s, int n, hnjFile* f) s[i] = '\0'; // null-terminate the returned string return s; } + + +int +hnjFeof(hnjFile* f) +{ + return f->mEOF ? EOF : 0; +}
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